期刊
JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE
卷 90, 期 14, 页码 2366-2378出版社
WILEY-BLACKWELL
DOI: 10.1002/jsfa.4093
关键词
Malus domestica (Borkh.); hydroxycinnamic acids; dihydrochalcones; flavonoids; antioxidant capacity; agricultural practice
资金
- Slovenian Research Agency [J4-0890, P4-0013-0481]
BACKGROUND: Phenolics in fruit may be influenced by the fruit type, cultivation conditions of a plant, climatic conditions, growing season, storage conditions, and industrial processing. The aim of this study was to compare single phenolic compounds, total phenolics and antioxidant capacity of four varieties of apple grown under organic and integrated conditions over a 2-year period. RESULTS: Several different phenolic compounds belonging to the groups of hydroxycinnamic acids, flavanols, dihydrochalcones, flavonols and anthocyanins were quantified. The levels of all analysed groups of phenolics were higher (not always significantly) in the organically grown apple leaves and fruit than in the leaves or apples from integrated production. Leaves from organic trees had 10-20% higher content levels of total phenols than the leaves from trees in the integrated growing system. In both years, organic production affected the increase in the antioxidant activity of apple peel. Organic apples have higher total phenolic content than the integrated grown ones. CONCLUSION: Cultivation type had an important influence on the polyphenolic level and antioxidant capacity of the apple fruits and leaves. Apples from organic production showed a higher content of hydroxycinnamic acids, flavanols, dihydrochalcones, quercetins and total phenolics than apples from integrated cultivation. (c) 2010 Society of Chemical Industry
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